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Finding the Fourth Proportional to 550,672.20, 825,352.20 and 230,823.45

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Solution

The fourth proportional to 550,672.20, 825,352.20 and 230,823.45 is: 345,960.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,672.20 : 825,352.20 = 230,823.45 : x
  2. Step 2: Convert to fraction form
    550,672.20/825,352.20 = 230,823.45/x
  3. Step 3: Cross multiply
    550,672.20x = 825,352.20 × 230,823.45
  4. Step 4: Simplify right side
    550,672.20x = 190,510,642,269.09
  5. Step 5: Solve for x
    x = 190,510,642,269.09/550,672.20
  6. Step 6: Final answer
    x = 345,960.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.